31304230334131 has 8 divisors (see below), whose sum is σ = 31425214124304. Its totient is φ = 31183342758240.

The previous prime is 31304230334089. The next prime is 31304230334171. The reversal of 31304230334131 is 13143303240313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31304230334131 - 2¹⁹ = 31304229809843 is a prime.

It is a super-2 number, since 2×31304230334131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31304230334093 and 31304230334102.

It is not an unprimeable number, because it can be changed into a prime (31304230334171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23401561 + ... + 24703066.

It is an arithmetic number, because the mean of its divisors is an integer number (3928151765538).

Almost surely, 2^{31304230334131} is an apocalyptic number.

31304230334131 is a deficient number, since it is larger than the sum of its proper divisors (120983790173).

31304230334131 is a wasteful number, since it uses less digits than its factorization.

31304230334131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48107141.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 31304230334131 its reverse (13143303240313), we get a palindrome (44447533574444).

The spelling of 31304230334131 in words is "thirty-one trillion, three hundred four billion, two hundred thirty million, three hundred thirty-four thousand, one hundred thirty-one".